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GitHub Dark Script

GitHub Dark in userscript form, with a settings panel

As of 2019-07-07. See the latest version.

  1. // ==UserScript==
  2. // @name        GitHub Dark Script
  3. // @version     2.5.5
  4. // @description GitHub Dark in userscript form, with a settings panel
  5. // @license     MIT
  6. // @author      StylishThemes
  7. // @namespace   https://github.com/StylishThemes
  8. // @include     /^https?://((blog|gist|guides|help|raw|status|developer)\.)?github\.com/((?!generated_pages\/preview).)*$/
  9. // @include     https://*.githubusercontent.com/*
  10. // @include     https://*graphql-explorer.githubapp.com/*
  11. // @run-at      document-start
  12. // @inject-into content
  13. // @grant       GM.addStyle
  14. // @grant       GM_addStyle
  15. // @grant       GM.getValue
  16. // @grant       GM_getValue
  17. // @grant       GM.setValue
  18. // @grant       GM_setValue
  19. // @grant       GM.info
  20. // @grant       GM_info
  21. // @grant       GM.xmlHttpRequest
  22. // @grant       GM_xmlhttpRequest
  23. // @grant       GM.registerMenuCommand
  24. // @grant       GM_registerMenuCommand
  25. // @connect     githubusercontent.com
  26. // @connect     raw.githubusercontent.com
  27. // @require     https://greasemonkey.github.io/gm4-polyfill/gm4-polyfill.js
  28. // @require     https://greatest.deepsurf.us/scripts/15563-jscolor/code/jscolor.js?version=106439
  29. // @require     https://greatest.deepsurf.us/scripts/28721-mutations/code/mutations.js?version=634242
  30. // @icon        https://avatars3.githubusercontent.com/u/6145677?v=3&s=200
  31. // ==/UserScript==
  32. /* global GM, jscolor */
  33. /* jshint esnext:true, unused:true */
  34. (async () => {
  35.   "use strict";
  36.  
  37.   const version = GM.info.script.version,
  38.  
  39.     // delay until package.json allowed to load
  40.     delay = 8.64e7, // 24 hours in milliseconds
  41.  
  42.     // Keyboard shortcut to open ghd panel (only a two key combo coded)
  43.     keyboardOpen = "g+0",
  44.     keyboardToggle = "g+-",
  45.     // keyboard shortcut delay from first to second letter
  46.     keyboardDelay = 1000,
  47.  
  48.     // base urls to fetch style and package.json
  49.     root = "https://raw.githubusercontent.com/StylishThemes/GitHub-Dark/master/",
  50.  
  51.     defaults = {
  52.       attach : "scroll",
  53.       color  : "#4183C4",
  54.       enable : true,
  55.       font   : "Menlo",
  56.       image  : "url('data:image/png;base64,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')",
  57.       tab    : 0, // 0 is disabled
  58.       theme  : "Twilight", // GitHub
  59.       themeCm: "Twilight", // CodeMirror
  60.       themeJp: "Twilight", // Jupyter
  61.       type   : "tiled",
  62.       wrap   : false,
  63.  
  64.       // toggle buttons
  65.       enableCodeWrap  : true,
  66.       enableMonospace : true,
  67.       // diff toggle + accordion mode
  68.       modeDiffToggle  : "1",
  69.  
  70.       // internal variables
  71.       date         : 0,
  72.       version      : 0,
  73.       rawCss       : "",
  74.       cssgithub    : "",
  75.       csscodemirror: "",
  76.       cssjupyter   : "",
  77.       processedCss : ""
  78.     },
  79.  
  80.     // extract style & theme name
  81.     regex = /\/\*! [^*]+ \*\//,
  82.     themesXref = {
  83.       github: {
  84.         placeholder: "syntax-theme",
  85.         folder: "themes/github/"
  86.       },
  87.       codemirror: {
  88.         placeholder: "syntax-codemirror",
  89.         folder: "themes/codemirror/"
  90.       },
  91.       jupyter: {
  92.         placeholder: "syntax-jupyter",
  93.         folder: "themes/jupyter/"
  94.       }
  95.     },
  96.     // available theme names
  97.     themes = {
  98.       github: {
  99.         "Ambiance": "ambiance",
  100.         "Chaos": "chaos",
  101.         "Clouds Midnight": "clouds-midnight",
  102.         "Cobalt": "cobalt",
  103.         "GitHub Dark": "github-dark",
  104.         "Idle Fingers": "idle-fingers",
  105.         "Kr Theme": "kr-theme",
  106.         "Merbivore": "merbivore",
  107.         "Merbivore Soft": "merbivore-soft",
  108.         "Mono Industrial": "mono-industrial",
  109.         "Mono Industrial Clear": "mono-industrial-clear",
  110.         "Monokai": "monokai",
  111.         "Monokai Spacegray Eighties": "monokai-spacegray-eighties",
  112.         "Obsidian": "obsidian",
  113.         "One Dark": "one-dark",
  114.         "Pastel on Dark": "pastel-on-dark",
  115.         "Railscasts": "railscasts",
  116.         "Solarized Dark": "solarized-dark",
  117.         "Terminal": "terminal",
  118.         "Tomorrow Night": "tomorrow-night",
  119.         "Tomorrow Night Blue": "tomorrow-night-blue",
  120.         "Tomorrow Night Bright": "tomorrow-night-bright",
  121.         "Tomorrow Night Eigthies": "tomorrow-night-eighties",
  122.         "Twilight": "twilight",
  123.         "Vibrant Ink": "vibrant-ink"
  124.       },
  125.       // CodeMirror themes
  126.       codemirror: {
  127.         "Ambiance": "ambiance",
  128.         "Base16 Ocean Dark": "base16-ocean-dark",
  129.         "Cobalt": "cobalt",
  130.         "Dracula": "dracula",
  131.         "Material": "material",
  132.         "Monokai": "monokai",
  133.         "Monokai Spacegray Eighties": "monokai-spacegray-eighties",
  134.         "One Dark": "one-dark",
  135.         "Pastel on Dark": "pastel-on-dark",
  136.         "Railscasts": "railscasts",
  137.         "Solarized Dark": "solarized-dark",
  138.         "Tomorrow Night Bright": "tomorrow-night-bright",
  139.         "Tomorrow Night Eigthies": "tomorrow-night-eighties",
  140.         "Twilight": "twilight",
  141.         "Vibrant Ink": "vibrant-ink"
  142.       },
  143.       // Jupyter (pygments) themes
  144.       jupyter: {
  145.         "Base16 Ocean Dark": "base16-ocean",
  146.         "Dracula": "dracula",
  147.         "GitHub Dark": "github-dark",
  148.         "Idle Fingers": "idle-fingers",
  149.         "Monokai": "monokai",
  150.         "Monokai Spacegray Eighties": "monokai-spacegray-eighties",
  151.         "Obsidian": "obsidian",
  152.         "Pastel on Dark": "pastel-on-dark",
  153.         "Railscasts": "railscasts",
  154.         "Solarized Dark": "solarized-dark",
  155.         "Tomorrow Night": "tomorrow-night",
  156.         "Tomorrow Night Blue": "tomorrow-night-blue",
  157.         "Tomorrow Night Bright": "tomorrow-night-bright",
  158.         "Tomorrow Night Eigthies": "tomorrow-night-eighties",
  159.         "Twilight": "twilight"
  160.       }
  161.     },
  162.  
  163.     type = {
  164.       tiled: `
  165.         background-repeat: repeat !important;
  166.         background-size: auto !important;
  167.         background-position: left top !important;
  168.       `,
  169.       fit: `
  170.         background-repeat: no-repeat !important;
  171.         background-size: cover !important;
  172.         background-position: center top !important;
  173.       `
  174.     },
  175.  
  176.     wrapCss = {
  177.       wrapped: `
  178.         white-space: pre-wrap !important;
  179.         word-break: break-all !important;
  180.         overflow-wrap: break-word !important;
  181.         display: block !important;
  182.       `,
  183.       unwrap: `
  184.         white-space: pre !important;
  185.         word-break: normal !important;
  186.         display: block !important;
  187.       `
  188.     },
  189.  
  190.     // https://github.com/StylishThemes/GitHub-code-wrap/blob/master/github-code-wrap.css
  191.     wrapCodeCss = `
  192.       /* GitHub: Enable wrapping of long code lines */
  193.       .blob-code-inner:not(.blob-code-hunk),
  194.       .markdown-body pre > code,
  195.       .markdown-body .highlight > pre { ${wrapCss.wrapped} }
  196.       td.blob-code-inner {
  197.         display: table-cell !important;
  198.       }
  199.     `,
  200.  
  201.     wrapIcon = `
  202.       <svg xmlns="http://www.w3.org/2000/svg" width="768" height="768" viewBox="0 0 768 768">
  203.         <path d="M544.5 352.5q52.5 0 90 37.5t37.5 90-37.5 90-90 37.5H480V672l-96-96 96-96v64.5h72q25.5 0 45-19.5t19.5-45-19.5-45-45-19.5H127.5v-63h417zm96-192v63h-513v-63h513zm-513 447v-63h192v63h-192z"/>
  204.       </svg>
  205.     `,
  206.  
  207.     monospaceIcon = `
  208.       <svg class="octicon" xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 32 32">
  209.         <path d="M5.91 7.31v8.41c0 .66.05 1.09.14 1.31.09.21.23.37.41.48.18.11.52.16 1.02.16v.41H2.41v-.41c.5 0 .86-.05 1.03-.14.16-.11.3-.27.41-.5.11-.23.16-.66.16-1.3V11.7c0-1.14-.04-1.87-.11-2.2-.04-.26-.13-.42-.24-.53-.11-.1-.27-.14-.46-.14-.21 0-.48.05-.77.18l-.18-.41 3.14-1.28h.52v-.01zm-.95-5.46c.32 0 .59.11.82.34.23.23.34.5.34.82 0 .32-.11.59-.34.82-.23.22-.51.34-.82.34-.32 0-.59-.11-.82-.34s-.36-.5-.36-.82c0-.32.11-.59.34-.82.24-.23.51-.34.84-.34zm19.636 19.006h-3.39v-1.64h5.39v9.8h3.43v1.66h-9.18v-1.66h3.77v-8.16h-.02zm.7-6.44c.21 0 .43.04.63.13.18.09.36.2.5.34s.25.3.34.5c.07.18.13.39.13.61 0 .22-.04.41-.13.61s-.19.36-.34.5-.3.25-.5.32c-.2.09-.39.13-.62.13-.21 0-.43-.04-.61-.12-.19-.07-.35-.19-.5-.34-.14-.14-.25-.3-.34-.5-.07-.2-.13-.39-.13-.61s.04-.43.13-.61c.07-.18.2-.36.34-.5s.31-.25.5-.34c.17-.09.39-.12.6-.12zM2 30L27.82 2H30L4.14 30H2z"/>
  210.       </svg>
  211.     `,
  212.  
  213.     fileIcon = `
  214.       <svg class="octicon" xmlns="http://www.w3.org/2000/svg" width="10" height="6.5" viewBox="0 0 10 6.5">
  215.         <path d="M0 1.5L1.5 0l3.5 3.7L8.5.0 10 1.5 5 6.5 0 1.5z"/>
  216.       </svg>
  217.     `,
  218.  
  219.     $style = make({
  220.       el: "style",
  221.       cl4ss: "ghd-style"
  222.     });
  223.  
  224.   let timer, picker, // jscolor picker
  225.     isInitialized = "pending",
  226.     // prevent mutationObserver from going nuts
  227.     isUpdating = false,
  228.     // set when css code to test is pasted into the settings panel
  229.     testing = false,
  230.     //
  231.     debug = true,
  232.     data = {};
  233.  
  234.   function updatePanel() {
  235.     if (!isInitialized || !$("#ghd-settings-inner")) { return; }
  236.     // prevent multiple change events from processing
  237.     isUpdating = true;
  238.  
  239.     let temp, el,
  240.       body = $("body"),
  241.       panel = $("#ghd-settings-inner");
  242.  
  243.     $(".ghd-attach", panel).value = data.attach || defaults.attach;
  244.     $(".ghd-font", panel).value = data.font || defaults.font;
  245.     $(".ghd-image", panel).value = data.image || defaults.image;
  246.     $(".ghd-tab", panel).value = data.tab || defaults.tab;
  247.     $(".ghd-theme", panel).value = data.theme || defaults.theme;
  248.     $(".ghd-themecm", panel).value = data.themeCm || defaults.themeCm;
  249.     $(".ghd-themejp", panel).value = data.themeJp || defaults.themeJp;
  250.     $(".ghd-type", panel).value = data.type || defaults.type;
  251.  
  252.     $(".ghd-enable", panel).checked = isBool("enable");
  253.     $(".ghd-wrap", panel).checked = isBool("wrap");
  254.  
  255.     $(".ghd-codewrap-checkbox", panel).checked = isBool("enableCodeWrap");
  256.     $(".ghd-monospace-checkbox", panel).checked = isBool("enableMonospace");
  257.  
  258.     el = $(".ghd-diff-select", panel);
  259.     temp = "" + (data.modeDiffToggle || defaults.modeDiffToggle);
  260.     el.value = temp;
  261.     toggleClass(el, "enabled", temp !== "0");
  262.  
  263.     // update version tooltip
  264.     $(".ghd-versions", panel).setAttribute("aria-label", getVersionTooltip());
  265.  
  266.     temp = data.color || defaults.color;
  267.     $(".ghd-color").value = temp;
  268.     // update swatch color & color picker value
  269.     $("#ghd-swatch").style.backgroundColor = temp;
  270.  
  271.     if (picker) {
  272.       picker.fromString(temp);
  273.     }
  274.     $style.disabled = !data.enable;
  275.  
  276.     toggleClass(body, "ghd-disabled", !data.enable);
  277.     toggleClass(body, "nowrap", !data.wrap);
  278.  
  279.     if (data.enableCodeWrap !== data.lastCW ||
  280.       data.enableMonospace !== data.lastMS ||
  281.       data.modeDiffToggle !== data.lastDT) {
  282.  
  283.       data.lastCW = data.enableCodeWrap;
  284.       data.lastMS = data.enableMonospace;
  285.       data.lastDT = data.modeDiffToggle;
  286.       updateToggles();
  287.     }
  288.  
  289.     isUpdating = false;
  290.   }
  291.  
  292.   async function getStoredValues(init) {
  293.     data = await GM.getValue("data", defaults);
  294.     try {
  295.       data = JSON.parse(data);
  296.       if (!Object.keys(data).length || ({}).toString.call(data) !== "[object Object]") {
  297.         throw new Error();
  298.       }
  299.     } catch(err) { // compat
  300.       data = await GM.getValue("data", defaults);
  301.     }
  302.     if (debug) {
  303.       if (init) {
  304.         console.log("GitHub-Dark Script initializing!");
  305.       }
  306.       console.log("Retrieved stored values", data);
  307.     }
  308.   }
  309.  
  310.   async function setStoredValues(reset) {
  311.     data.processedCss = $style.textContent;
  312.     await GM.setValue("data", JSON.stringify(reset ? defaults : data));
  313.     updatePanel();
  314.     if (debug) {
  315.       console.log((reset ? "Resetting" : "Saving") + " current values", data);
  316.     }
  317.   }
  318.  
  319.   // modified from http://stackoverflow.com/a/5624139/145346
  320.   function hexToRgb(hex) {
  321.     let result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
  322.     return result ? [
  323.       parseInt(result[1], 16),
  324.       parseInt(result[2], 16),
  325.       parseInt(result[3], 16)
  326.     ].join(", ") : "";
  327.   }
  328.  
  329.   // convert version "1.2.3" into "001002003" for easier comparison
  330.   function convertVersion(val) {
  331.     let index,
  332.       parts = val ? val.split(".") : "",
  333.       str = "",
  334.       len = parts.length;
  335.     for (index = 0; index < len; index++) {
  336.       str += ("000" + parts[index]).slice(-3);
  337.     }
  338.     if (debug) {
  339.       console.log(`Converted version "${val}" to "${str}" for easy comparison`);
  340.     }
  341.     return val ? str : val;
  342.   }
  343.  
  344.   function checkVersion() {
  345.     if (debug) {
  346.       console.log("Fetching package.json");
  347.     }
  348.     GM.xmlHttpRequest({
  349.       method: "GET",
  350.       url: root + "package.json",
  351.       onload: response => {
  352.         let pkg = JSON.parse(response.responseText);
  353.  
  354.         // save last loaded date, so package.json is only loaded once a day
  355.         data.date = new Date().getTime();
  356.  
  357.         let ver = convertVersion(pkg.version);
  358.         // if new available, load it & parse
  359.         if (ver > data.version) {
  360.           if (data.version !== 0 && debug) {
  361.             console.log(`Updating from ${data.version} to ${ver}`);
  362.           }
  363.           data.version = ver;
  364.           fetchAndApplyStyle();
  365.         } else {
  366.           addSavedStyle();
  367.         }
  368.         // save new date/version
  369.         GM.setValue("data", JSON.stringify(data));
  370.       }
  371.     });
  372.   }
  373.  
  374.   function fetchAndApplyStyle() {
  375.     if (debug) {
  376.       console.log(`Fetching ${root}github-dark.css`);
  377.     }
  378.     GM.xmlHttpRequest({
  379.       method: "GET",
  380.       url: root + "github-dark.css",
  381.       onload: response => {
  382.         data.rawCss = response.responseText;
  383.         processStyle();
  384.       }
  385.     });
  386.   }
  387.  
  388.   // load syntax highlighting theme
  389.   function fetchAndApplyTheme(name, group) {
  390.     if (!data.enable) {
  391.       if (debug) {
  392.         console.log("Disabled: stop theme processing");
  393.       }
  394.       return;
  395.     }
  396.     if (data["last" + group] === name && data["css" + group] !== "") {
  397.       return applyTheme(name, group);
  398.     }
  399.     let themeUrl = `${root}${themesXref[group].folder}${themes[group][name]}.min.css`;
  400.     if (debug) {
  401.       console.log(`Fetching ${group} ${name} theme`, themeUrl);
  402.     }
  403.     GM.xmlHttpRequest({
  404.       method: "GET",
  405.       url: themeUrl,
  406.       onload: response => {
  407.         let theme = response.responseText;
  408.         if (response.status === 200 && theme) {
  409.           data["css" + group] = theme;
  410.           data["last" + group] = name;
  411.           applyTheme(name, group);
  412.         } else {
  413.           theme = data["css" + group];
  414.           console.error(`Failed to load ${group} theme file: "${name}"`);
  415.           console.log(`Falling back to previous ${group} theme of ${theme.substring(0, theme.indexOf("*/") + 2)}`);
  416.         }
  417.       }
  418.     });
  419.   }
  420.  
  421.   async function applyTheme(name, group) {
  422.     let theme, css;
  423.     if (debug) {
  424.       theme = (data["css" + group] || "").match(regex);
  425.       console.log(`Adding syntax ${group} theme "${theme}" to css`);
  426.     }
  427.     css = data.processedCss || "";
  428.     css = css.replace(
  429.       `/*[[${themesXref[group].placeholder}]]*/`,
  430.       data["css" + group] || ""
  431.     );
  432.     applyStyle(css);
  433.     await setStoredValues();
  434.     isUpdating = false;
  435.   }
  436.  
  437.   function setTabSize() {
  438.     return data.tab > 0
  439.       ? `pre, .highlight, .diff-table, .tab-size {
  440.           tab-size: ${data.tab} !important;
  441.           -moz-tab-size: ${data.tab} !important;
  442.         }`
  443.       : "";
  444.   }
  445.  
  446.   function processStyle() {
  447.     let url = /^url/.test(data.image || "") ? data.image :
  448.       (data.image === "none" ? "none" : "url('" + data.image + "')");
  449.     if (!data.enable) {
  450.       if (debug) {
  451.         console.log("Disabled: stop processing");
  452.       }
  453.       return;
  454.     }
  455.     if (debug) {
  456.       console.log("Processing set styles");
  457.     }
  458.  
  459.     let processed = (data.rawCss || "")
  460.       // remove moz-document wrapper
  461.       .replace(/@-moz-document regexp\((.*)\) \{(\n|\r)+/, "")
  462.       // replace background image; if no "url" at start, then use "none"
  463.       .replace(/\/\*\[\[bg-choice\]\]\*\/ url\(.*\)/, url)
  464.       // Add tiled or fit window size css
  465.       .replace("/*[[bg-options]]*/", type[data.type || "tiled"])
  466.       // set scroll or fixed background image
  467.       .replace("/*[[bg-attachment]]*/ fixed", data.attach || "scroll")
  468.       // replace base-color
  469.       .replace(/\/\*\[\[base-color\]\]\*\/ #\w{3,6}/g, data.color || "#4183C4")
  470.       // replace base-color-rgb
  471.       .replace(/\/\*\[\[base-color-rgb\]\]\*\//g, hexToRgb(data.color || "#4183c4"))
  472.       // add font choice
  473.       .replace("/*[[font-choice]]*/", data.font || "Menlo")
  474.       // add tab size
  475.       .replace(/\/\*\[\[tab-size\]\]\*\//g, setTabSize())
  476.       // code wrap css
  477.       .replace("/*[[code-wrap]]*/", data.wrap ? wrapCodeCss : "")
  478.       // remove default syntax
  479.       .replace(/\s+\/\* grunt build - remove start[\s\S]+grunt build - remove end \*\/$/m, "");
  480.  
  481.     data.processedCss = processed;
  482.     fetchAndApplyTheme(data.theme, "github");
  483.     fetchAndApplyTheme(data.themeCm, "codemirror");
  484.     fetchAndApplyTheme(data.themeJp, "jupyter");
  485.   }
  486.  
  487.   function applyStyle(css) {
  488.     if (debug) {
  489.       console.log("Applying style", `"${(css || "").match(regex)}"`);
  490.     }
  491.     $style.textContent = css || "";
  492.   }
  493.  
  494.   function addSavedStyle() {
  495.     if (debug) {
  496.       console.log("Adding previously saved style");
  497.     }
  498.  
  499.     // apply already processed css to prevent FOUC
  500.     $style.textContent = data.processedCss;
  501.   }
  502.  
  503.   function updateStyle() {
  504.     isUpdating = true;
  505.  
  506.     if (debug) {
  507.       console.log("Updating user settings");
  508.     }
  509.  
  510.     let body = $("body"),
  511.       panel = $("#ghd-settings-inner");
  512.  
  513.     data.attach = $(".ghd-attach", panel).value;
  514.     // get hex value directly
  515.     data.color = picker.toHEXString();
  516.     data.enable = $(".ghd-enable", panel).checked;
  517.     data.font = $(".ghd-font", panel).value;
  518.     data.image = $(".ghd-image", panel).value;
  519.     data.tab = $(".ghd-tab", panel).value;
  520.     data.theme = $(".ghd-theme", panel).value;
  521.     data.themeCm = $(".ghd-themecm", panel).value;
  522.     data.themeJp = $(".ghd-themejp", panel).value;
  523.     data.type = $(".ghd-type", panel).value;
  524.     data.wrap = $(".ghd-wrap", panel).checked;
  525.  
  526.     data.enableCodeWrap  = $(".ghd-codewrap-checkbox", panel).checked;
  527.     data.enableMonospace = $(".ghd-monospace-checkbox", panel).checked;
  528.  
  529.     data.modeDiffToggle  = $(".ghd-diff-select", panel).value;
  530.  
  531.     $style.disabled = !data.enable;
  532.  
  533.     toggleClass(body, "ghd-disabled", !data.enable);
  534.     toggleClass(body, "nowrap", !data.wrap);
  535.  
  536.     if (testing) {
  537.       processStyle();
  538.       testing = false;
  539.     } else {
  540.       fetchAndApplyStyle();
  541.     }
  542.     isUpdating = false;
  543.   }
  544.  
  545.   // user can force GitHub-dark update
  546.   async function forceUpdate(css) {
  547.     if (css) {
  548.       // add raw css directly for style testing
  549.       data.rawCss = css;
  550.       processStyle();
  551.     } else {
  552.       // clear saved date
  553.       data.version = 0;
  554.       data.cssgithub = "";
  555.       data.csscodemirror = "";
  556.       data.cssjupyter = "";
  557.       await GM.setValue("data", JSON.stringify(data));
  558.       closePanel("forced");
  559.     }
  560.   }
  561.  
  562.   function getVersionTooltip() {
  563.     let indx,
  564.       ver = [],
  565.       // convert stored css version from "001014049" into "1.14.49" for tooltip
  566.       parts = String(data.version).match(/\d{3}/g),
  567.       len = parts && parts.length || 0;
  568.     for (indx = 0; indx < len; indx++) {
  569.       ver.push(parseInt(parts[indx], 10));
  570.     }
  571.     return `Script v${version}\nCSS ${(ver.length ? "v" + ver.join(".") : "unknown")}`;
  572.   }
  573.  
  574.   function buildOptions(group) {
  575.     let options = "";
  576.     Object.keys(themes[group]).forEach(theme => {
  577.       options += `<option value="${theme}">${theme}</option>`;
  578.     });
  579.     return options;
  580.   }
  581.  
  582.   async function buildSettings() {
  583.     if (debug) {
  584.       console.log("Adding settings panel & GitHub Dark link to profile dropdown");
  585.     }
  586.     // Script-specific CSS
  587.     GM.addStyle(`
  588.       #ghd-menu:hover { cursor:pointer }
  589.       #ghd-settings { position:fixed; z-index:65535; top:0; bottom:0; left:0; right:0; opacity:0; visibility:hidden; }
  590.       #ghd-settings.in { opacity:1; visibility:visible; background:rgba(0,0,0,.5); }
  591.       #ghd-settings-inner { position:fixed; left:50%; top:50%; transform:translate(-50%,-50%); width:25rem; box-shadow:0 .5rem 1rem #111; color:#c0c0c0 }
  592.       #ghd-settings label { margin-left:.5rem; position:relative; top:-1px }
  593.       #ghd-settings-close { height:1rem; width:1rem; fill:#666; float:right; cursor:pointer }
  594.       #ghd-settings-close:hover { fill:#ccc }
  595.       #ghd-settings .ghd-right { float:right; padding:5px; }
  596.       #ghd-settings p { line-height:22px; }
  597.       #ghd-settings .form-select, #ghd-settings input[type="text"] { height:30px; min-height:30px; }
  598.       #ghd-swatch { width:25px; height:22px; display:inline-block; margin:3px 10px; border-radius:4px; }
  599.       #ghd-settings input, #ghd-settings select { border:#555 1px solid; }
  600.       #ghd-settings .ghd-attach, #ghd-settings .ghd-diff-select { padding-right:25px; }
  601.       #ghd-settings input[type="checkbox"] { margin-top:3px; width: 16px !important; height: 16px !important; border-radius: 3px !important; }
  602.       #ghd-settings .boxed-group-inner { padding:0; }
  603.       #ghd-settings .ghd-footer { padding:10px; border-top:#555 solid 1px; }
  604.       #ghd-settings .ghd-settings-wrapper { max-height:60vh; overflow-y:auto; padding:4px 10px; }
  605.       #ghd-settings .ghd-tab { width:6em; }
  606.       #ghd-settings .octicon { vertical-align:text-bottom !important; }
  607.       #ghd-settings .ghd-paste-area { position:absolute; bottom:50px; top:37px; left:2px; right:2px; width:396px !important; height:-moz-calc(100% - 85px);
  608.         resize:none !important; border-style:solid; z-index:0; }
  609.  
  610.       /* code wrap toggle: https://gist.github.com/silverwind/6c1701f56e62204cc42b
  611.       icons next to a pre */
  612.       .ghd-wrap-toggle { padding: 3px 5px; position:absolute; right:3px; top:3px; -moz-user-select:none; -webkit-user-select:none; cursor:pointer; z-index:20; }
  613.       .ghd-code-wrapper:not(:hover) .ghd-wrap-toggle { border-color:transparent !important; background:transparent !important; }
  614.       .ghd-menu { margin-top:45px; }
  615.       /* file & diff code tables */
  616.       .ghd-wrap-table .blob-code-inner:not(.blob-code-hunk) { white-space:pre-wrap !important; word-break:break-all !important; }
  617.       .ghd-unwrap-table .blob-code-inner:not(.blob-code-hunk) { white-space:pre !important; word-break:normal !important; }
  618.       .ghd-wrap-toggle > *, .ghd-monospace > *, .ghd-file-toggle > * { pointer-events:none; vertical-align:middle !important; }
  619.       /* icons for non-syntax highlighted code blocks; see https://github.com/gjtorikian/html-proofer/blob/master/README.md */
  620.       .markdown-body:not(.comment-body) .ghd-wrap-toggle:not(:first-child) { right:3.4em; }
  621.       .ghd-wrap-toggle svg { height:14px; width:14px; fill:rgba(110,110,110,.4); vertical-align:text-bottom; }
  622.       /* wrap disabled (red) */
  623.       .ghd-code-wrapper:hover .ghd-wrap-toggle.unwrap svg, .ghd-code-wrapper:hover .ghd-wrap-toggle svg { fill:#8b0000; }
  624.       /* wrap enabled (green) */
  625.       body:not(.nowrap) .ghd-code-wrapper:hover .ghd-wrap-toggle:not(.unwrap) svg, .ghd-code-wrapper:hover .ghd-wrap-toggle.wrapped svg { fill:#006400; }
  626.       .markdown-body pre, .markdown-body .highlight, .ghd-code-wrapper { position:relative; }
  627.       /* monospace font toggle */
  628.       .ghd-monospace-font { font-family:"${data.font}", Menlo, Inconsolata, "Droid Mono", monospace !important; font-size:1em !important; }
  629.       /* file collapsed icon */
  630.       .Details--on .ghd-file-toggle svg { -webkit-transform:rotate(90deg); transform:rotate(90deg); }
  631.     `);
  632.  
  633.     let icon,
  634.       opts = buildOptions("github"),
  635.       optscm = buildOptions("codemirror"),
  636.       optsjp = buildOptions("jupyter"),
  637.       ver = getVersionTooltip();
  638.  
  639.     // circle-question-mark icon
  640.     icon = `
  641.       <svg class="octicon" xmlns="http://www.w3.org/2000/svg" height="16" width="14" viewBox="0 0 16 14">
  642.         <path d="M6 10h2v2H6V10z m4-3.5c0 2.14-2 2.5-2 2.5H6c0-0.55 0.45-1 1-1h0.5c0.28 0 0.5-0.22 0.5-0.5v-1c0-0.28-0.22-0.5-0.5-0.5h-1c-0.28 0-0.5 0.22-0.5 0.5v0.5H4c0-1.5 1.5-3 3-3s3 1 3 2.5zM7 2.3c3.14 0 5.7 2.56 5.7 5.7S10.14 13.7 7 13.7 1.3 11.14 1.3 8s2.56-5.7 5.7-5.7m0-1.3C3.14 1 0 4.14 0 8s3.14 7 7 7 7-3.14 7-7S10.86 1 7 1z" />
  643.       </svg>
  644.     `;
  645.  
  646.     // Settings panel markup
  647.     make({
  648.       el: "div",
  649.       appendTo: "body",
  650.       attr: { id: "ghd-settings" },
  651.       html: `
  652.         <div id="ghd-settings-inner" class="boxed-group">
  653.           <h3>GitHub-Dark Settings
  654.             <a href="https://github.com/StylishThemes/GitHub-Dark-Script/wiki" class="tooltipped tooltipped-e" aria-label="See documentation">${icon}</a>
  655.             <svg id="ghd-settings-close" xmlns="http://www.w3.org/2000/svg" width="768" height="768" viewBox="160 160 608 608"><path d="M686.2 286.8L507.7 465.3l178.5 178.5-45 45-178.5-178.5-178.5 178.5-45-45 178.5-178.5-178.5-178.5 45-45 178.5 178.5 178.5-178.5z"/></svg>
  656.           </h3>
  657.           <div class="boxed-group-inner">
  658.             <form>
  659.               <div class="ghd-settings-wrapper">
  660.                 <p class="ghd-checkbox">
  661.                   <label>Enable GitHub-Dark<input class="ghd-enable ghd-right" type="checkbox"></label>
  662.                 </p>
  663.                 <p>
  664.                   <label>Color:</label>
  665.                   <input class="ghd-color ghd-right form-control" type="text" value="#4183C4">
  666.                   <span id="ghd-swatch" class="ghd-right"></span>
  667.                 </p>
  668.                 <h4>Background</h4>
  669.                 <p>
  670.                   <label>Image:</label>
  671.                   <input class="ghd-image ghd-right form-control" type="text">
  672.                   <a href="https://github.com/StylishThemes/GitHub-Dark/wiki/Image" class="tooltipped tooltipped-e" aria-label="Click to learn about GitHub's Content Security&#10;Policy and how to add a custom image">${icon}</a>
  673.                 </p>
  674.                 <p>
  675.                   <label>Image type:</label>
  676.                   <select class="ghd-type ghd-right form-select">
  677.                     <option value="tiled">Tiled</option>
  678.                     <option value="fit">Fit window</option>
  679.                   </select>
  680.                 </p>
  681.                 <p>
  682.                   <label>Image attachment:</label>
  683.                   <select class="ghd-attach ghd-right form-select">
  684.                     <option value="scroll">Scroll</option>
  685.                     <option value="fixed">Fixed</option>
  686.                   </select>
  687.                 </p>
  688.                 <h4>Code</h4>
  689.                 <p><label>GitHub Theme:</label> <select class="ghd-theme ghd-right form-select">${opts}</select></p>
  690.                 <p><label>CodeMirror Theme:</label> <select class="ghd-themecm ghd-right form-select">${optscm}</select></p>
  691.                 <p><label>Jupyter Theme:</label> <select class="ghd-themejp ghd-right form-select">${optsjp}</select></p>
  692.                 <p>
  693.                   <label>Font Name:</label> <input class="ghd-font ghd-right form-control" type="text">
  694.                   <a href="http://www.cssfontstack.com/" class="tooltipped tooltipped-e" aria-label="Add a system installed (monospaced) font name;&#10;this script will not load external fonts!">${icon}</a>
  695.                 </p>
  696.                 <p>
  697.                   <label>Tab Size:</label>
  698.                   <select class="ghd-tab ghd-right form-select">
  699.                     <option value="0">disable</option>
  700.                     <option value="1">1</option>
  701.                     <option value="2">2</option>
  702.                     <option value="3">3</option>
  703.                     <option value="4">4</option>
  704.                     <option value="5">5</option>
  705.                     <option value="6">6</option>
  706.                     <option value="7">7</option>
  707.                     <option value="8">8</option>
  708.                   </select>
  709.                 </p>
  710.                 <p class="ghd-checkbox">
  711.                   <label>Wrap<input class="ghd-wrap ghd-right" type="checkbox"></label>
  712.                 </p>
  713.                 <h4>Toggles</h4>
  714.                 <p class="ghd-checkbox">
  715.                   <label>Code Wrap<input class="ghd-codewrap-checkbox ghd-right" type="checkbox"></label>
  716.                 </p>
  717.                 <p class="ghd-checkbox">
  718.                   <label>Comment Monospace Font<input class="ghd-monospace-checkbox ghd-right" type="checkbox"></label>
  719.                 </p>
  720.                 <p class="ghd-range">
  721.                   <label>Diff File Collapse</label>
  722.                   <select class="ghd-diff-select ghd-right form-select">
  723.                     <option value="0">Disabled</option>
  724.                     <option value="1">Enabled</option>
  725.                     <option value="2">Accordion</option>
  726.                   </select>
  727.                 </p>
  728.               </div>
  729.               <div class="ghd-footer">
  730.                 <div class="BtnGroup">
  731.                   <a href="#" class="ghd-update btn btn-sm tooltipped tooltipped-n tooltipped-multiline" aria-label="Update style if the newest release is not loading; the page will reload!">Force Update Style</a>
  732.                   <a href="#" class="ghd-textarea-toggle btn btn-sm tooltipped tooltipped-n" aria-label="Paste CSS update">
  733.                     <svg xmlns="http://www.w3.org/2000/svg" width="8" height="8" viewBox="0 0 16 16" fill="#eee">
  734.                       <path d="M15 11 1 11 8 3z"/>
  735.                     </svg>
  736.                   </a>
  737.                   <div class="ghd-paste-area-content" aria-hidden="true" style="display:none">
  738.                     <textarea class="ghd-paste-area" placeholder="Paste GitHub-Dark Style here!"></textarea>
  739.                   </div>
  740.                 </div>&nbsp;
  741.                 <a href="#" class="ghd-reset btn btn-sm btn-danger tooltipped tooltipped-n" aria-label="Reset to defaults;&#10;there is no undo!">Reset All Settings</a>
  742.                 <span class="ghd-versions ghd-right tooltipped tooltipped-n" aria-label="${ver}">
  743.                   <svg class="ghd-info" xmlns="http://www.w3.org/2000/svg" width="16px" height="16px" viewBox="0 0 24 24">
  744.                     <path fill="#444" d="M12,9c0.82,0,1.5-0.68,1.5-1.5S12.82,6,12,6s-1.5,0.68-1.5,1.5S11.18,9,12,9z M12,1.5 C6.211,1.5,1.5,6.211,1.5,12S6.211,22.5,12,22.5S22.5,17.789,22.5,12S17.789,1.5,12,1.5z M12,19.5c-4.148,0-7.5-3.352-7.5-7.5 S7.852,4.5,12,4.5s7.5,3.352,7.5,7.5S16.148,19.5,12,19.5z M13.5,12c0-0.75-0.75-1.5-1.5-1.5s-0.75,0-1.5,0S9,11.25,9,12h1.5 c0,0,0,3.75,0,4.5S11.25,18,12,18s0.75,0,1.5,0s1.5-0.75,1.5-1.5h-1.5C13.5,16.5,13.5,12.75,13.5,12z"/>
  745.                   </svg>
  746.                 </span>
  747.               </div>
  748.             </form>
  749.           </div>
  750.         </div>
  751.       `
  752.     });
  753.     updateToggles();
  754.   }
  755.  
  756.   function addCodeWrapButton(button, target) {
  757.     target.insertBefore(button.cloneNode(true), target.childNodes[0]);
  758.     target.classList.add("ghd-code-wrapper");
  759.   }
  760.  
  761.   function moveMenu(codeWrap) {
  762.     const menu = $("details", codeWrap);
  763.     if (menu) {
  764.       menu.classList.add("ghd-menu");
  765.       codeWrap.parentNode.appendChild(menu);
  766.     }
  767.   }
  768.  
  769.   // Add code wrap toggle
  770.   function buildCodeWrap() {
  771.     // mutation events happen quick, so we still add an update flag
  772.     isUpdating = true;
  773.     let icon = make({
  774.       el: "button",
  775.       cl4ss: "ghd-wrap-toggle tooltipped tooltipped-sw btn btn-sm" +
  776.         (data.wrap ? "" : " unwrap"),
  777.       attr: { "aria-label": "Toggle code wrap" },
  778.       html: wrapIcon
  779.     });
  780.     $$(".blob-wrapper").forEach(el => {
  781.       if (el && !$(".ghd-wrap-toggle", el)) {
  782.         addCodeWrapButton(icon, el);
  783.         moveMenu(el); // Fixes #66
  784.       }
  785.     });
  786.     $$(`
  787.       .markdown-body pre:not(.ghd-code-wrapper),
  788.       .markdown-format pre:not(.ghd-code-wrapper)`
  789.     ).forEach(pre => {
  790.       const code = $("code", pre);
  791.       const wrap = pre.parentNode;
  792.       if (code) {
  793.         addCodeWrapButton(icon, pre);
  794.       } else if (wrap.classList.contains("highlight")) {
  795.         addCodeWrapButton(icon, wrap);
  796.       }
  797.     });
  798.     isUpdating = false;
  799.   }
  800.  
  801.   // Add monospace font toggle
  802.   function addMonospaceToggle() {
  803.     isUpdating = true;
  804.     let button = make({
  805.       el: "button",
  806.       cl4ss: "ghd-monospace toolbar-item tooltipped tooltipped-n",
  807.       attr: {
  808.         "type": "button",
  809.         "aria-label": "Toggle monospaced font",
  810.         "tabindex": "-1"
  811.       },
  812.       html: monospaceIcon
  813.     });
  814.     $$(".toolbar-commenting").forEach(el => {
  815.       if (el && !$(".ghd-monospace", el)) {
  816.         // prepend
  817.         el.insertBefore(button.cloneNode(true), el.childNodes[0]);
  818.       }
  819.     });
  820.     isUpdating = false;
  821.   }
  822.  
  823.   // Add file diffs toggle
  824.   function addFileToggle() {
  825.     isUpdating = true;
  826.     let firstButton,
  827.       button = make({
  828.         el: "button",
  829.         cl4ss: "ghd-file-toggle btn btn-sm tooltipped tooltipped-n",
  830.         attr: {
  831.           "type": "button",
  832.           "aria-label": "Click to Expand or Collapse file",
  833.           "tabindex": "-1"
  834.         },
  835.         html: fileIcon
  836.       });
  837.     $$("#files .file-actions").forEach(el => {
  838.       if (el && !$(".ghd-file-toggle", el)) {
  839.         // hide GitHub toggle view button
  840.         el.querySelector(".js-details-target").style.display = "none";
  841.         el.appendChild(button.cloneNode(true));
  842.       }
  843.     });
  844.     firstButton = $(".ghd-file-toggle");
  845.     // accordion mode = start with all but first entry collapsed
  846.     if (firstButton && data.modeDiffToggle === "2") {
  847.       toggleFile({
  848.         target: firstButton
  849.       }, true);
  850.     }
  851.     isUpdating = false;
  852.   }
  853.  
  854.   // Add toggle buttons after page updates
  855.   function updateToggles() {
  856.     if (isUpdating) {
  857.       return;
  858.     }
  859.     clearTimeout(timer);
  860.     timer = setTimeout(() => {
  861.       if (data.enableCodeWrap) {
  862.         buildCodeWrap();
  863.       } else {
  864.         removeAll(".ghd-wrap-toggle");
  865.         toggleClass($$(".Details--on"), "Details--on", false);
  866.       }
  867.       if (data.enableMonospace) {
  868.         addMonospaceToggle();
  869.       } else {
  870.         removeAll(".ghd-monospace");
  871.         toggleClass($$(".ghd-monospace-font"), "ghd-monospace-font", false);
  872.       }
  873.       if (data.modeDiffToggle !== "0") {
  874.         addFileToggle();
  875.       } else {
  876.         removeAll(".ghd-file-toggle");
  877.         toggleClass($$(".Details--on"), "Details--on", false);
  878.       }
  879.     }, 200);
  880.   }
  881.  
  882.   function makeRow(vals, str) {
  883.     return make({
  884.       el: "tr",
  885.       cl4ss: "ghd-shortcut",
  886.       html: `<td class="keys"><kbd>${vals[0]}</kbd> <kbd>${vals[1]}</kbd></td><td>${str}</td>`
  887.     });
  888.   }
  889.  
  890.   // add keyboard shortcut to help menu (press "?")
  891.   function buildShortcut() {
  892.     let row,
  893.       el = $(".keyboard-mappings tbody");
  894.     if (el && !$(".ghd-shortcut")) {
  895.       row = makeRow(keyboardOpen.split("+"), "GitHub-Dark: open settings");
  896.       el.appendChild(row);
  897.       row = makeRow(keyboardToggle.split("+"), "GitHub-Dark: toggle style");
  898.       el.appendChild(row);
  899.     }
  900.   }
  901.  
  902.   function findSibling(node, selector) {
  903.     node = node.parentNode.firstElementChild;
  904.     while ((node = node.nextElementSibling)) {
  905.       if (node.matches(selector)) {
  906.         return node;
  907.       }
  908.     }
  909.     return null;
  910.   }
  911.  
  912.   function toggleCodeWrap(el) {
  913.     let css,
  914.       overallWrap = data.wrap,
  915.       target = findSibling(el, ".highlight, .diff-table, code, pre");
  916.     if (!target) {
  917.       if (debug) {
  918.         console.log("Code wrap icon associated code not found", el);
  919.       }
  920.       return;
  921.     }
  922.     // code with line numbers
  923.     if (target.nodeName === "TABLE") {
  924.       if (target.className.indexOf("wrap-table") < 0) {
  925.         css = !overallWrap;
  926.       } else {
  927.         css = target.classList.contains("ghd-unwrap-table");
  928.       }
  929.       toggleClass(target, "ghd-wrap-table", css);
  930.       toggleClass(target, "ghd-unwrap-table", !css);
  931.       toggleClass(el, "wrapped", css);
  932.       toggleClass(el, "unwrap", !css);
  933.     } else {
  934.       css = target.getAttribute("style") || "";
  935.       if (css === "") {
  936.         css = wrapCss[overallWrap ? "unwrap" : "wrapped"];
  937.       } else {
  938.         css = wrapCss[css === wrapCss.wrapped ? "unwrap" : "wrapped"];
  939.       }
  940.       target.setAttribute("style", css);
  941.       toggleClass(el, "wrapped", css === wrapCss.wrapped);
  942.       toggleClass(el, "unwrap", css === wrapCss.unwrap);
  943.     }
  944.   }
  945.  
  946.   function toggleMonospace(el) {
  947.     let tmp = el.closest(".previewable-comment-form"),
  948.       // single comment
  949.       textarea = $(".comment-form-textarea", tmp);
  950.     if (textarea) {
  951.       toggleClass(textarea, "ghd-monospace-font");
  952.       textarea.focus();
  953.       tmp = textarea.classList.contains("ghd-monospace-font");
  954.       toggleClass(el, "ghd-icon-active", tmp);
  955.     }
  956.   }
  957.  
  958.   function toggleSibs(target, state) {
  959.     // oddly, when a "Details--on" class is applied, the content is hidden
  960.     const isCollapsed = state || target.classList.contains("Details--on"),
  961.       toggles = $$(".file");
  962.     let el,
  963.       indx = toggles.length;
  964.     while (indx--) {
  965.       el = toggles[indx];
  966.       if (el !== target) {
  967.         el.classList.toggle("Details--on", isCollapsed);
  968.       }
  969.     }
  970.   }
  971.  
  972.   function toggleFile(event, init) {
  973.     isUpdating = true;
  974.     let el = event.target.closest(".file");
  975.     if (el && data.modeDiffToggle === "2") {
  976.       if (!init) {
  977.         el.classList.toggle("Details--on");
  978.       }
  979.       toggleSibs(el, true);
  980.     } else if (el) {
  981.       el.classList.toggle("Details--on");
  982.       // shift+click toggle all files!
  983.       if (event.shiftKey) {
  984.         toggleSibs(el);
  985.       }
  986.     }
  987.     isUpdating = false;
  988.     document.activeElement.blur();
  989.     // move current open panel to the top
  990.     if (el && !el.classList.contains("Details--on")) {
  991.       location.hash = el.id;
  992.     }
  993.   }
  994.  
  995.   function bindEvents() {
  996.     let el, menu, lastKey,
  997.       panel = $("#ghd-settings-inner"),
  998.       swatch = $("#ghd-swatch", panel);
  999.  
  1000.     // finish initialization
  1001.     $("#ghd-settings-inner .ghd-enable").checked = data.enable;
  1002.     toggleClass($("body"), "ghd-disabled", !data.enable);
  1003.  
  1004.     // Create our menu entry
  1005.     menu = make({
  1006.       el: "a",
  1007.       cl4ss: "dropdown-item",
  1008.       html: "GitHub Dark Settings",
  1009.       attr: { id: "ghd-menu" }
  1010.     });
  1011.  
  1012.     // .header changed to .Header 22 Aug 2017
  1013.     el = $$(`
  1014.       .header .dropdown-item[href="/settings/profile"],
  1015.       .header .dropdown-item[data-ga-click*="go to profile"],
  1016.       .Header .dropdown-item[href="/settings/profile"],
  1017.       .Header .dropdown-item[data-ga-click*="go to profile"]`
  1018.     );
  1019.     // get last found item - gists only have the "go to profile" item;
  1020.     // GitHub has both
  1021.     el = el[el.length - 1];
  1022.     if (el) {
  1023.       // insert after
  1024.       el.parentNode.insertBefore(menu, el.nextSibling);
  1025.       on($("#ghd-menu"), "click", () => {
  1026.         openPanel();
  1027.       });
  1028.     }
  1029.  
  1030.     on(document, "keypress keydown", event => {
  1031.       clearTimeout(timer);
  1032.       // use "g+o" to open up ghd options panel
  1033.       let openKeys = keyboardOpen.split("+"),
  1034.         toggleKeys = keyboardToggle.split("+"),
  1035.         key = event.key.toLowerCase(),
  1036.         panelVisible = $("#ghd-settings").classList.contains("in");
  1037.  
  1038.       // press escape to close the panel
  1039.       if (key === "escape" && panelVisible) {
  1040.         closePanel();
  1041.         return;
  1042.       }
  1043.       // use event.which from keypress for shortcuts
  1044.       // prevent opening panel while typing "go" in comments
  1045.       if (event.type === "keydown" || /(input|textarea)/i.test(document.activeElement.nodeName)) {
  1046.         return;
  1047.       }
  1048.       if (lastKey === openKeys[0] && key === openKeys[1]) {
  1049.         if (panelVisible) {
  1050.           closePanel();
  1051.         } else {
  1052.           openPanel();
  1053.         }
  1054.       }
  1055.       if (lastKey === toggleKeys[0] && key === toggleKeys[1]) {
  1056.         toggleStyle();
  1057.       }
  1058.       lastKey = key;
  1059.       timer = setTimeout(() => {
  1060.         lastKey = null;
  1061.       }, keyboardDelay);
  1062.  
  1063.       // add shortcut to help menu
  1064.       if (key === "?") {
  1065.         // table doesn't exist until user presses "?"
  1066.         setTimeout(() => {
  1067.           buildShortcut();
  1068.         }, 300);
  1069.       }
  1070.     });
  1071.  
  1072.     // add ghd-settings panel bindings
  1073.     on($$("#ghd-settings, #ghd-settings-close"), "click keyup", event => {
  1074.       // press escape to close settings
  1075.       if (event.type === "keyup" && event.which !== 27) {
  1076.         return;
  1077.       }
  1078.       closePanel();
  1079.     });
  1080.  
  1081.     on(panel, "click", event => {
  1082.       event.stopPropagation();
  1083.     });
  1084.  
  1085.     on($(".ghd-reset", panel), "click", async event => {
  1086.       event.preventDefault();
  1087.       isUpdating = true;
  1088.       // pass true to reset values
  1089.       await setStoredValues(true);
  1090.       // add reset values back to data
  1091.       await getStoredValues();
  1092.       // add reset values to panel
  1093.       updatePanel();
  1094.       // update style
  1095.       updateStyle();
  1096.     });
  1097.  
  1098.     on($$("input[type='text']", panel), "focus", function() {
  1099.       // select all text when focused
  1100.       this.select();
  1101.     });
  1102.  
  1103.     on($$("select, input", panel), "change", () => {
  1104.       if (!isUpdating) {
  1105.         updateStyle();
  1106.       }
  1107.     });
  1108.  
  1109.     on($(".ghd-update", panel), "click", async event => {
  1110.       event.preventDefault();
  1111.       await forceUpdate();
  1112.     });
  1113.  
  1114.     on($(".ghd-textarea-toggle", panel), "click", function(event) {
  1115.       event.preventDefault();
  1116.       let hidden, el;
  1117.       this.classList.remove("selected");
  1118.       el = next(this, ".ghd-paste-area-content");
  1119.       if (el) {
  1120.         hidden = el.style.display === "none";
  1121.         el.style.display = hidden ? "" : "none";
  1122.         if (el.style.display !== "none") {
  1123.           el.classList.add("selected");
  1124.           el = $("textarea", el);
  1125.           el.focus();
  1126.           el.select();
  1127.         }
  1128.       }
  1129.       return false;
  1130.     });
  1131.  
  1132.     on($(".ghd-paste-area-content", panel), "paste", async event => {
  1133.       let toggle = $(".ghd-textarea-toggle", panel),
  1134.         textarea = event.target;
  1135.       setTimeout(async () => {
  1136.         textarea.parentNode.style.display = "none";
  1137.         toggle.classList.remove("selected");
  1138.         testing = true;
  1139.         await forceUpdate(textarea.value);
  1140.       }, 200);
  1141.     });
  1142.  
  1143.     // Toggles
  1144.     on($("body"), "click", event => {
  1145.       let target = event.target;
  1146.       if (data.enableCodeWrap && target.classList.contains("ghd-wrap-toggle")) {
  1147.         // **** CODE WRAP TOGGLE ****
  1148.         event.stopPropagation();
  1149.         toggleCodeWrap(target);
  1150.       } else if (data.enableMonospace && target.classList.contains("ghd-monospace")) {
  1151.         // **** MONOSPACE FONT TOGGLE ****
  1152.         event.stopPropagation();
  1153.         toggleMonospace(target);
  1154.         return false;
  1155.       } else if (data.modeDiffToggle !== "0" && target.classList.contains("ghd-file-toggle")) {
  1156.         // **** CODE DIFF COLLAPSE TOGGLE ****
  1157.         event.stopPropagation();
  1158.         toggleFile(event);
  1159.       }
  1160.     });
  1161.  
  1162.     // style color picker
  1163.     picker = new jscolor($(".ghd-color", panel));
  1164.     picker.zIndex = 65536;
  1165.     picker.hash = true;
  1166.     picker.backgroundColor = "#333";
  1167.     picker.padding = 0;
  1168.     picker.borderWidth = 0;
  1169.     picker.borderColor = "#444";
  1170.     picker.onFineChange = () => {
  1171.       swatch.style.backgroundColor = "#" + picker;
  1172.     };
  1173.   }
  1174.  
  1175.   function openPanel() {
  1176.     // Don't show options panel on page that's missing main styles (e.g. help)
  1177.     if ($(".modal-backdrop")) {
  1178.       $(".modal-backdrop").click();
  1179.     }
  1180.     updatePanel();
  1181.     $("#ghd-settings").classList.add("in");
  1182.   }
  1183.  
  1184.   function closePanel(flag) {
  1185.     $("#ghd-settings").classList.remove("in");
  1186.     picker.hide();
  1187.  
  1188.     if (flag === "forced") {
  1189.       // forced update; partial re-initialization
  1190.       init();
  1191.     } else {
  1192.       // apply changes when the panel is closed
  1193.       updateStyle();
  1194.     }
  1195.   }
  1196.  
  1197.   function toggleStyle() {
  1198.     let isEnabled = !data.enable;
  1199.     data.enable = isEnabled;
  1200.     $("#ghd-settings-inner .ghd-enable").checked = isEnabled;
  1201.     // add processedCss back into style (emptied when disabled)
  1202.     if (isEnabled) {
  1203.       // data.processedCss is empty when ghd is disabled on init
  1204.       if (!data.processedCss) {
  1205.         processStyle();
  1206.       } else {
  1207.         addSavedStyle();
  1208.       }
  1209.     }
  1210.     $style.disabled = !isEnabled;
  1211.   }
  1212.  
  1213.   async function init() {
  1214.     if (!document.head) {
  1215.       return;
  1216.     }
  1217.  
  1218.     document.head.parentNode.insertBefore($style, document.head.nextSibling);
  1219.     await getStoredValues(true);
  1220.  
  1221.     $style.disabled = !data.enable;
  1222.     data.lastgithub = data.themeGH;
  1223.     data.lastcodemirror = data.themeCM;
  1224.     data.lastjupyter = data.themeJP;
  1225.     data.lastCW = data.enableCodeWrap;
  1226.     data.lastMS = data.enableMonospace;
  1227.     data.lastDT = data.modeDiffToggle;
  1228.  
  1229.     if (!data.processedCss) {
  1230.       fetchAndApplyStyle();
  1231.     } else {
  1232.       // only load package.json once a day, or after a forced update
  1233.       if ((new Date().getTime() > data.date + delay) || data.version === 0) {
  1234.         // get package.json from GitHub-Dark & compare versions
  1235.         // load new script if a newer one is available
  1236.         checkVersion();
  1237.       } else {
  1238.         addSavedStyle();
  1239.       }
  1240.     }
  1241.     isInitialized = false;
  1242.   }
  1243.  
  1244.   // add style at document-start
  1245.   await init();
  1246.  
  1247.   async function buildOnLoad() {
  1248.     if (isInitialized === "pending") {
  1249.       // init after DOM loaded on .atom pages
  1250.       await init();
  1251.     }
  1252.     // add panel even if you're not logged in - open panel using keyboard
  1253.     // shortcut just not on githubusercontent pages (no settings panel needed)
  1254.     if (window.location.host.indexOf("githubusercontent.com") < 0) {
  1255.       buildSettings();
  1256.       // add event binding on document ready
  1257.       bindEvents();
  1258.  
  1259.       on(document, "ghmo:container", updateToggles);
  1260.       on(document, "ghmo:comments", updateToggles);
  1261.       on(document, "ghmo:diff", updateToggles);
  1262.       on(document, "ghmo:preview", updateToggles);
  1263.     }
  1264.  
  1265.     isInitialized = true;
  1266.   }
  1267.  
  1268. 	if (document.readyState === "loading") {
  1269. 		on(document, "DOMContentLoaded", buildOnLoad);
  1270. 	} else {
  1271. 		buildOnLoad();
  1272. 	}
  1273.  
  1274.   /* utility functions */
  1275.   function isBool(name) {
  1276.     let val = data[name];
  1277.     return typeof val === "boolean" ? val : defaults[name];
  1278.   }
  1279.  
  1280.   function $(str, el) {
  1281.     return (el || document).querySelector(str);
  1282.   }
  1283.  
  1284.   function $$(str, el) {
  1285.     return [...(el || document).querySelectorAll(str)];
  1286.   }
  1287.  
  1288.   function next(el, selector) {
  1289.     while ((el = el.nextElementSibling)) {
  1290.       if (el && el.matches(selector)) {
  1291.         return el;
  1292.       }
  1293.     }
  1294.     return null;
  1295.   }
  1296.  
  1297.   function make(obj) {
  1298.     let key,
  1299.       el = document.createElement(obj.el);
  1300.     if (obj.cl4ss) { el.className = obj.cl4ss; }
  1301.     if (obj.html) { el.innerHTML = obj.html; }
  1302.     if (obj.attr) {
  1303.       for (key in obj.attr) {
  1304.         if (obj.attr.hasOwnProperty(key)) {
  1305.           el.setAttribute(key, obj.attr[key]);
  1306.         }
  1307.       }
  1308.     }
  1309.     if (obj.appendTo) {
  1310.       $(obj.appendTo).appendChild(el);
  1311.     }
  1312.     return el;
  1313.   }
  1314.  
  1315.   function removeAll(selector) {
  1316.     isUpdating = true;
  1317.     $$(selector).forEach(el => {
  1318.       el.parentNode.removeChild(el);
  1319.     });
  1320.     isUpdating = false;
  1321.   }
  1322.  
  1323.   function on(els, name, callback) {
  1324.     els = Array.isArray(els) ? els : [els];
  1325.     let events = name.split(/\s+/);
  1326.     els.forEach(el => {
  1327.       events.forEach(ev => {
  1328.         el.addEventListener(ev, callback);
  1329.       });
  1330.     });
  1331.   }
  1332.  
  1333.   function toggleClass(els, cl4ss, flag) {
  1334.     els = Array.isArray(els) ? els : [els];
  1335.     els.forEach(el => {
  1336.       if (el) {
  1337.         if (typeof flag === "undefined") {
  1338.           flag = !el.classList.contains(cl4ss);
  1339.         }
  1340.         el.classList.toggle(cl4ss, flag);
  1341.       }
  1342.     });
  1343.   }
  1344.  
  1345.   // Add GM options
  1346.   // await GM.registerMenuCommand("GitHub Dark Script debug logging", async () => {
  1347.   //   let val = prompt(
  1348.   //     "Toggle GitHub Dark Script debug log (true/false):",
  1349.   //     "" + debug
  1350.   //   );
  1351.   //   if (val) {
  1352.   //     debug = /^t/.test(val);
  1353.   //     await GM.setValue("debug", debug);
  1354.   //   }
  1355.   // });
  1356.  
  1357. })();